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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5.  
  6. int main(){
  7.     int i,j,k,l;
  8.     int a,b;
  9.     int **mat;
  10.     scanf("%d %d",&a,&b);
  11.  
  12.  
  13. 	mat = (int **)malloc(sizeof(int)*a);
  14. 	if(mat==NULL){
  15. 		printf("ERROR\n");
  16. 		return 0;
  17. 	}
  18.  
  19. 	for(l=0;l<a;l++){
  20. 		mat[l] = (int *)malloc(sizeof(int)*b);
  21. 		if(mat[l]==NULL){
  22. 			printf("ERROR\n");
  23. 			return 0;
  24. 		}
  25. 	}
  26.  
  27. 	int m=1;
  28. 	for(k=0;k<a;k++){
  29. 		for(l=0;l<b;l++){
  30. 			mat[k][l] = m;
  31. 			m++;
  32. 		}
  33. 	}
  34.  
  35.  
  36.     for(i=0;i<a;i++){
  37.         for(j=0;j<b;j++){
  38.             printf("%d ",mat[i][j]);
  39.         }
  40.         printf("\n");
  41.     }
  42.  
  43.  
  44. 	for(i=0;i<a;i++) free(mat[i]);
  45. 	free(mat);
  46.  
  47.     return 0;
  48. }
Success #stdin #stdout 0s 5348KB
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https://ideone.com/4DVEYk
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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